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e2e test to ensure graceful shutdown does not lose requests (see #3533 #3536)

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This commit is contained in:
Stefan Breunig 2018-12-11 11:37:19 +01:00
parent 19b3b6be0c
commit 571bcfc433
4 changed files with 89 additions and 0 deletions
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20
test/e2e/framework/framework.go
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@ -315,6 +315,26 @@ func (f *Framework) UpdateNginxConfigMapData(key string, value string) {
f.SetNginxConfigMapData(config)
}
// DeleteNGINXPod deletes the currently running pod. It waits for the replacement pod to be up.
// Grace period to wait for pod shutdown is in seconds.
func (f *Framework) DeleteNGINXPod(grace int64) {
ns := f.IngressController.Namespace
pod, err := getIngressNGINXPod(ns, f.KubeClientSet)
Expect(err).NotTo(HaveOccurred(), "expected ingress nginx pod to be running")
err = f.KubeClientSet.CoreV1().Pods(ns).Delete(pod.GetName(), metav1.NewDeleteOptions(grace))
Expect(err).NotTo(HaveOccurred(), "unexpected error deleting ingress nginx pod")
err = wait.Poll(Poll, time.Minute*5, func() (bool, error) {
pod, err := getIngressNGINXPod(ns, f.KubeClientSet)
if err != nil || pod == nil {
return false, nil
}
return pod.GetName() != "", nil
})
Expect(err).NotTo(HaveOccurred(), "unexpected error while waiting for ingress nginx pod to come up again")
}
// UpdateDeployment runs the given updateFunc on the deployment and waits for it to be updated
func UpdateDeployment(kubeClientSet kubernetes.Interface, namespace string, name string, replicas int, updateFunc func(d *appsv1beta1.Deployment) error) error {
deployment, err := kubeClientSet.AppsV1beta1().Deployments(namespace).Get(name, metav1.GetOptions{})